Home / 7,419.25-11,123.07-3,904.66

Finding the Fourth Proportional to 7,419.25, 11,123.07 and 3,904.66

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Solution

The fourth proportional to 7,419.25, 11,123.07 and 3,904.66 is: 5,853.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,419.25 : 11,123.07 = 3,904.66 : x
  2. Step 2: Convert to fraction form
    7,419.25/11,123.07 = 3,904.66/x
  3. Step 3: Cross multiply
    7,419.25x = 11,123.07 × 3,904.66
  4. Step 4: Simplify right side
    7,419.25x = 43,431,806.51
  5. Step 5: Solve for x
    x = 43,431,806.51/7,419.25
  6. Step 6: Final answer
    x = 5,853.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.